Extend your left arm, flex the bicep and hold.
Twinkly blue peepers and sandy blonde hair – not to mention bicep measurements to make any wannabe hunk weep into his Maximuscle shake – mean this chap’s perpetually set to stun.
When that cold stethoscope hits the skin and the blood pressure cuff starts tightening around the bicep people may get a little anxious.
"Instead of replacing the forest with cattle we are studying a cure for cancer and for infectious diseases, " said the botanist, sporting a goatie beard and a tattoo of Bob Marley on his bicep.
So the next time you're faced with a choice that takes self-control, clench your fist or firm that bicep. Your will might firm up, too.
But at least one method, hormone implants, visibly bulge from a man's bicep.